Hikari Yonaguni is a fifteen-year-old first-year high school student who hails from Okinawa Prefecture. Her exceptional physical prowess caught the attention of the theatrical troupe Ginga-za, leading to her recruitment as a member. Her birthday is August 20, and her height is 155 centimeters.

Regarding her personality, Hikari is fundamentally a cheerful and energetic girl who loves to dance and is known for her becoming smile. However, upon joining Ginga-za, she finds herself struggling to display her naturally bright disposition. This difficulty stems from the cold interpersonal relationships within the theater company and the intense nature of its rehearsals.

Hikari's core motivation is her love for dance. Her primary hobby includes dancing and physical training, and she also enjoys eating delicious food. Her notable ability is a Sense called Dynamic Sun, which enhances her athletic capabilities while she is on stage, reflecting her status as a physical elite among performers. As for her role in the story, key relationships, and character development, no info.